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Room Temperature Thermoelectric Properties of Isostructural Selenides Ta2PdS6 and Ta2PdSe6

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arxiv 2101.08468 v1 pith:YIMZT3IM submitted 2021-01-21 cond-mat.mtrl-sci

Room Temperature Thermoelectric Properties of Isostructural Selenides Ta2PdS6 and Ta2PdSe6

classification cond-mat.mtrl-sci
keywords roomthermoelectricconductivityfactorpowerpropertiesta2pds6ta2pdse6
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have measured thermoelectric properties of Ta2PdX6 (X=S, Se) around room temperature using single crystal samples. We find that the power factor of Ta2PdX6 is relatively high from middle-low to room temperatures, and notably Ta2PdSe6 shows the largest power factor among thermoelectric materials with an electrical conductivity of 10-2 {\Omega}cm at 300 K. Ta2PdS6 will be a possible candidate for a Peltier cooling material if the lattice thermal conductivity is reduced by chemical substitution.

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